Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
160440 (2005 SJ239)
Classification: Main-belt Asteroid          SPK-ID: 2160440
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07559784709023779 4.2622e-08  
a 2.790959420079537 1.6891e-08 au
q 2.579968896605306 1.1699e-07 au
i 1.784141034122294 4.0154e-06 deg
node 81.29699492914672 0.0001827 deg
peri 322.0723837167459 0.00018678 deg
M 63.84438248842222 3.7564e-05 deg
tp 2458898.470822572731
(2020-Feb-18.97082257)
0.00017745 TDB
period 1703.055141829187
4.66
1.546e-05
4.233e-08
d
yr
n .2113848172956618 1.919e-09 deg/d
Q 3.001949943553769 1.8168e-08 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      7004 days (19.18 yr)  
   first obs. used      2001-12-17  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59227  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:01:22  

Additional Information
 Earth MOID = 1.58793 au 
 Jupiter MOID = 2.29214 au 
 T_jup = 3.324 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO502931  

160440 (2005 SJ239)          Discovered 2005-Sep-30 by Spacewatch at Kitt Peak
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

Alternate Designations
 2005 SJ239 = 2001 YR17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-16 15:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin